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93 lines
3.3 KiB
Python
93 lines
3.3 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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ogr2ogrclip.py
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---------------------
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Date : November 2012
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Copyright : (C) 2012 by Victor Olaya
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Email : volayaf at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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__author__ = 'Victor Olaya'
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__date__ = 'November 2012'
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__copyright__ = '(C) 2012, Victor Olaya'
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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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import os
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from PyQt4.QtCore import *
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from PyQt4.QtGui import *
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from qgis.core import *
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from processing.core.parameters import ParameterVector
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from processing.core.parameters import ParameterString
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from processing.core.parameters import ParameterSelection
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from processing.core.outputs import OutputVector
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from processing.tools.system import *
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from processing.algs.gdal.OgrAlgorithm import OgrAlgorithm
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from processing.algs.gdal.GdalUtils import GdalUtils
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class Ogr2OgrClip(OgrAlgorithm):
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OUTPUT_LAYER = 'OUTPUT_LAYER'
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INPUT_LAYER = 'INPUT_LAYER'
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CLIP_LAYER = 'CLIP_LAYER'
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OPTIONS = 'OPTIONS'
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def defineCharacteristics(self):
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self.name = 'Clip vectors by polygon'
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self.group = '[OGR] Miscellaneous'
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self.addParameter(ParameterVector(self.INPUT_LAYER, 'Input layer',
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[ParameterVector.VECTOR_TYPE_ANY], False))
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self.addParameter(ParameterVector(self.CLIP_LAYER, 'Clip layer',
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[ParameterVector.VECTOR_TYPE_POLYGON], False))
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self.addParameter(ParameterString(self.OPTIONS, 'Creation Options',
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'', optional=True))
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self.addOutput(OutputVector(self.OUTPUT_LAYER, 'Output layer'))
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def processAlgorithm(self, progress):
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inLayer = self.getParameterValue(self.INPUT_LAYER)
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ogrLayer = self.ogrConnectionString(inLayer)
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clipLayer = self.getParameterValue(self.CLIP_LAYER)
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ogrClipLayer = self.ogrConnectionString(clipLayer)
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output = self.getOutputFromName(self.OUTPUT_LAYER)
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outFile = output.value
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output = self.ogrConnectionString(outFile)
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options = unicode(self.getParameterValue(self.OPTIONS))
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arguments = []
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arguments.append('-clipsrc')
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arguments.append(ogrClipLayer)
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if len(options) > 0:
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arguments.append(options)
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arguments.append(output)
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arguments.append(ogrLayer)
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commands = []
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if isWindows():
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commands = ['cmd.exe', '/C ', 'ogr2ogr.exe',
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GdalUtils.escapeAndJoin(arguments)]
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else:
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commands = ['ogr2ogr', GdalUtils.escapeAndJoin(arguments)]
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GdalUtils.runGdal(commands, progress) |